function reflushCSS(i)
{
	var a=confirm("请刷新弹出的新窗口，然后再刷新本页面。");
	if(a==false)
	{
		alert("操作已取消");
		return;
	}
	if(i==1)
		window.open("css/main.css","_blank");
	else
		window.open("css/sub_page.css","_blank");
}
function openplay(){
	var audio = document.createElement('audio');
	var body = document.body;
    audio.src = "sound/pop.ogg";
    audio.autoplay = true;
	body.appendChild(audio);
	audio.addEventListener('ended', function(){
		body.removeChild(audio);
    },false);
}